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Press-forming tool with tolerance compensation

A stamping forming and mold technology, applied in the direction of presses, forming tools, manufacturing tools, etc., can solve the problems of small cooling rate, cooling performance decline, etc., and achieve the effect of reducing manufacturing costs

Active Publication Date: 2016-03-09
BENTELER AUTOMOBILTECHNIK GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If an indirect and direct contact contact now occurs between the surface of the component located in the press-forming tool and the inner side of the tool surface due to the above-mentioned tolerances, the cooling performance is reduced due to the extremely small air gaps in these areas, and a relatively small cooling rate

Method used

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  • Press-forming tool with tolerance compensation
  • Press-forming tool with tolerance compensation
  • Press-forming tool with tolerance compensation

Examples

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Embodiment Construction

[0035] figure 1 A lateral cross-sectional view of the stamping mold 101 according to the present invention is shown. For this purpose, the stamping mold 101 has a pressure punch 102 shown from top to bottom in the drawing plane, and an upper mold 103 not shown in detail is coupled with the pressure punch 102. The press punch 102 applies a pressing force F with respect to a vertical direction V and closes the upper die 103 and the lower die 104, which at the same time corresponds to the punching stroke movement. Between the upper mold 103 and the lower mold 104, an inter-mold gap 105 and a slab not shown in detail in the figure are retained. Within the scope of the present invention, the slab is particularly preferably fully attached to the corresponding mold surfaces 106, 107 . According to the present invention, a mold clamping plate 109 is provided on the punching table 108, and different elastic adjustment elements 110 are arranged between the lower mold 104 and the mold cl...

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Abstract

The present invention relates to a press-forming tool (101) having a top die (103) and a bottom die (104), which can be moved toward one another, forming a forming cavity (105) between the top die (103) and the bottom die (104) when the press-forming tool is closed, wherein a die clamping plate (109) is arranged on a press ram (102) and / or on a press table (108), wherein the top die (103) or the bottom die (104), which can be moved relative to the die clamping plate (109), is supported on said plate while incorporating at least one resilient adjusting element (110).

Description

Technical field [0001] The present invention relates to a stamping mold having an upper mold and a lower mold as described in the features of the preamble of claim 1. Background technique [0002] Press forming dies for manufacturing sheet metal forming members have already been known from the prior art. To this end, the slab is placed in a stamping mold, and then formed by the relative movement of the upper mold and the lower mold. For this reason, the upper die is usually sinked with the help of a pressure punch. When the upper die is in contact with the slab and the slab is in contact with the lower die, the slab is deformed until the upper die and the lower die are closed. In this case, keep the gap between the upper mold and the lower mold. Then the formed slab is finally formed into a component that needs to be manufactured by stamping in the gap between the dies. Here, in the case of a press with a plurality of adjacently arranged upper molds, in this case, two, three o...

Claims

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Application Information

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IPC IPC(8): B21D37/10B21D37/16B21D22/02
CPCB30B15/06B30B15/061B30B15/064B30B15/067B30B15/245C21D1/673B30B15/007B30B15/026B30B15/068B21D24/02B21D37/04
Inventor G·弗罗斯特O·吕特克迈尔J·克斯特
Owner BENTELER AUTOMOBILTECHNIK GMBH
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